πολύγαμος
From LSJ
τὸ ἓν καὶ τὸ ὂν πολλαχῶς λέγεται → the term being and the term one are used in many ways, one and being have various meanings, one and being have many senses
English (LSJ)
ον,
A often-married, or, living in polygamy, Poll.3.48, Ptol.Tetr.183.
German (Pape)
[Seite 660] oft verheirathet, ein Mann, welcher mehrere Frauen, und eine Frau, welche mehrere Männer nimmt, Sp., vgl. Poll.